. >>> and now, to the latest on actor paul walker's death and that of his friend. the results of the star's autopsy revealed on wednesday. and overnight, an emotional tribute from the cast, now one of the top videos on youtube, as universal pictures says, it's stopping production on the latest fast and furious movie. david wright has the story. >> reporter: a viral video tribute, repurposed from the "fast & furious" movies. >> the most important thing in life will always be the people in this room. >> reporter: and posted to youtube by the cast. >> salute. >> reporter: an emotional farewell to a co-star gone too soon in a real-life fiery crash. universal pictures has announced it is temporarily shutting down production of "fast & furious 7," while the cast and crew mourn paul walker's death. >> they have to figure out what the story is going to be, whether they're even going to keep him in the movie at all, and they want a little bit of time to make those decisions. >> reporter: this, as walker's real-life girlfriend appeared in public for the first time since the